- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment of natural stone
- C04B 28/12 - Hydraulic lime
Patent holdings for IPC class C04B 28/12
Total number of patents in this class: 136
10-year publication summary
8
|
11
|
10
|
12
|
6
|
14
|
8
|
18
|
20
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sika Technology AG | 2650 |
8 |
Halliburton Energy Services, Inc. | 20165 |
7 |
Adaptavate Ltd | 11 |
7 |
Construction Research & Technology GmbH | 640 |
6 |
Saint-Gobain Weber | 175 |
5 |
Parexgroup SA | 40 |
4 |
Graymont Western Canada Inc. | 32 |
3 |
Knauf Gips KG | 534 |
3 |
United States Gypsum Company | 1019 |
3 |
Ecocem Materials Ltd. | 29 |
3 |
Yildiz Teknik Universitesi | 142 |
3 |
British Columbia Institute of Technology | 41 |
2 |
Holcim Technology Ltd. | 868 |
2 |
Institut National des Sciences Appliquees de Toulouse | 100 |
2 |
Saint-Gobain Weber France | 39 |
2 |
Secil - Companhia Geral de Cal e Cimento, S.A. | 6 |
2 |
Stonecoat of Texas, LLC | 2 |
2 |
Universite Paul Sabatier Toulouse III | 473 |
2 |
Vicat | 84 |
2 |
Yoshino Gypsum Co., Ltd. | 224 |
2 |
Other owners | 66 |